Performance Verification and Calibration
Adjustment (Calibration) 3
3-17
Note
When the Meter returns a recommended calibration value followed by
“W4”, 4-wire compensation is enabled on the input.
Note
When in current calibration, if “Disconnect Test Leads!” is returned, all
test leads should be removed from the Meter.
Note
When “Connect to mA socket!” is returned from the Meter, use the mA
input terminal to connect to the calibrator. When “Connect to 10A socket”
is returned from the Meter, use the 10A input terminal to connect to the
calibrator.
RS-232 Calibration (Automatic)
Automatic calibration of the Meter is possible using a Fluke Met/Cal program. The
remote program directs the calibration equipment to apply a series of shorts, opens,
voltages, currents, and resistances to the input of the Meter. At each step, the Meter
internally makes the necessary adjustment to bring the Meter into specification. No
internal mechanical adjustments are necessary.
Using an automated, computer-controlled procedure, the calibration and verification
procedures can be performed on the Meter in less than 50 minutes. The 8808A
MET/CAL procedure is available at no charge for MET/CAL Gold Support members
from http://support.fluke.com/met-support-gold
. To purchase the procedure, contact
Fluke’s MET/CAL Support group at metsupport@fluke.com
.
Calibration Points
Listed below are the calibration values required for each calibration point of the
calibration procedure.
{//adc
{0.0, -0.0001999, -0.0001, 0.0001, 0.0001999}, range 1
{0.0, -0.001999, -0.001, 0.001, 0.001999}, range 2
{0.0, -0.01999, -0.01, 0.01, 0.01999}, range 3
{0.0, -0.1999, -0.1, 0.1, 0.1999}, range 4
{0.0, -1.999, -1.0, 1.0, 1.999}, range 5
{0.0, -10.0, -5.0, 5.0, 10.0}, range 6
},
{//aac
{0.0, 0.001, 0.005, 0.01, 0.01999}, range 1
{0.0, 0.01, 0.05, 0.1, 0.1999}, range 2
{0.0, 0.01, 0.5, 1.0, 1.999}, range 3
{0.0, 1.0, 2.0, 5.0, 10.0}, range 4
},
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